Infrared and Laser Engineering, Volume. 50, Issue S2, 20210277(2021)
Experimental study on propulsive performance of typical metal ablated by nanosecond pulse width laser
Figures & Tables(11)
Fig. 3. Relationship between monopulse ablation and laser power density
Fig. 4. Relationship between monopulse impulse and laser power density
Fig. 5. Relationship between impulse coupling coefficient and laser power density
Fig. 6. Relationship between specific impulse and laser power density
Fig. 7. Scaling relation of impulse coupling coefficient of metal Au
Fig. 8. Energy conversion efficiency under different laser power densities
Table 1. Melting boiling point and the first ionization energy of seven metal materials
View tableView in ArticleTable 1. Melting boiling point and the first ionization energy of seven metal materials
Metal Melting point/℃ Boiling point/℃ First ionization energy/ kJ·mol−1 Fe 1 535 2 750 762.5 Al 660 2 500 577.5 Cu 1 083 2 580 745.5 Ni 1 453 2 732 737.1 Au 1 062 2 966 890.1 Ag 961 2 210 731.0 Y 1 522 3 338 600.0
Table 2. Resistivity of seven metal materials (Unit: 10−8 Ω·m，20 ℃)
View tableView in ArticleTable 2. Resistivity of seven metal materials (Unit: 10−8 Ω·m，20 ℃)
Metal Fe Al Cu Ni Au Ag Y Resistivity 9.7 2.7 1.7 6.8 2.4 1.6 59.6
Table 3. Average monopulse ablation mass (μg)and impulse (μN·s)
View tableView in ArticleTable 3. Average monopulse ablation mass (μg)and impulse (μN·s)
Metal Al Fe Ni Cu Y Ag Au $\overline {\Delta m} $ 0.7 1.6 0.5 1.3 0.2 0.7 0.4 $\overline I $ 2.5 2.5 2.5 2.8 1.8 1.2 2.7
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Mingyu Li, Jifei Ye, Chenghao Yu, Qinglin Yang, Hongjie Kong. Experimental study on propulsive performance of typical metal ablated by nanosecond pulse width laser[J]. Infrared and Laser Engineering, 2021, 50(S2): 20210277
Paper Information
Category: Lasers and laser optics
Received: Apr. 25, 2021
Accepted: --
Published Online: Dec. 3, 2021
The Author Email: Ye Jifei (yjf1981@163.com)
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